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If you thought Google Glass was pretty far out, the tech giant's
latest project might have you seeing double.

Google is
developing a "smart" contact lens. Yes, a contact lens made with
super-tiny chips and sensors and an antenna inside that -- of
course -- you wear right on your eyeball. No joke.

But instead of showing you status updates, driving directions or
allowing you to take pictures directly from your field of vision
like Glass does, the intention for these contact lenses is very
specific: to aid people with diabetes. The chips and sensors in
the contact lenses are supposed to be able to track glucose
levels in a person's tears. Collecting tears can be difficult so
why not get the technology directly to the source?

"Although some people wear glucose monitors with a glucose sensor
embedded under their skin, all people with diabetes must still
prick their finger and test drops of blood throughout the day,"
the project's co-founders, Brian Otis and Babak Parviz, wrote in
a Google blog post. "It's disruptive, and it's painful. And, as a
result, many people with diabetes check their blood glucose less often than they
should."

Tracking blood glucose, or blood-sugar-concentration, is a way to
monitor the spikes and drops that are common in people with
diabetes.

Google is still testing the technology in the contact lenses,
which could eventually include tiny LED lights that could light
up when a wearer's glucose levels cross above or below certain
thresholds, the company says.

It's worth noting that other "smart" contact lenses are being
developed for other uses by other companies. What's also
interesting is that Google's Babak Parviz used to teach at the
University of Washington, where he collaborated with Microsoft
Research on a similar project. For a closer look at that project,
watch the video below.

What crazy apps and gadgets have you come across
lately? Let us know by emailing us at
FarOutTech@entrepreneur.com or by telling us in the comments
below.